
import multiprocessing
from typing import TYPE_CHECKING, Optional, Union

from .. import Dataset, Features, config
from ..formatting import query_table
from ..packaged_modules.sql.sql import Sql
from ..utils import logging
from .abc import AbstractDatasetInputStream


if TYPE_CHECKING:
     import sqlitea

     import sqlalchemy



class    _snake_case (						UpperCAmelCase_				):


 def __init__(       self       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_ = None       ,	SCREAMING_SNAKE_CASE_ = None       ,	SCREAMING_SNAKE_CASE_ = False       ,	**SCREAMING_SNAKE_CASE_       ,	):


   '''simple docstring'''




   super().__init__(features=SCREAMING_SNAKE_CASE_       ,	cache_dir=SCREAMING_SNAKE_CASE_       ,	keep_in_memory=SCREAMING_SNAKE_CASE_       ,	**SCREAMING_SNAKE_CASE_)
   lowercase__	: Any     		=   Sql(
       cache_dir=SCREAMING_SNAKE_CASE_       ,	features=SCREAMING_SNAKE_CASE_       ,	sql=SCREAMING_SNAKE_CASE_       ,	con=SCREAMING_SNAKE_CASE_       ,	**SCREAMING_SNAKE_CASE_       ,	)



 def   lowercase__  (       self):


   '''simple docstring'''




   lowercase__	: Any     		=   None
   lowercase__	: Optional[Any]     		=   None
   lowercase__	: Optional[int]     		=   None
   lowercase__	: int     		=   None

   self.builder.download_and_prepare(
       download_config=SCREAMING_SNAKE_CASE_       ,	download_mode=SCREAMING_SNAKE_CASE_       ,	verification_mode=SCREAMING_SNAKE_CASE_       ,	base_path=SCREAMING_SNAKE_CASE_       ,	)

   # Build dataset for splits
   lowercase__	: str     		=   self.builder.as_dataset(
       split="""train"""       ,	verification_mode=SCREAMING_SNAKE_CASE_       ,	in_memory=self.keep_in_memory)
   return dataset



class    _snake_case :


 def __init__(       self       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_ = None       ,	SCREAMING_SNAKE_CASE_ = None       ,	**SCREAMING_SNAKE_CASE_       ,	):


   '''simple docstring'''




   if num_proc is not None and num_proc <= 0:
     raise ValueError(f'num_proc {num_proc} must be an integer > 0.')

   lowercase__	: Union[str, Any]     		=   dataset
   lowercase__	: int     		=   name
   lowercase__	: Optional[int]     		=   con
   lowercase__	: str     		=   batch_size if batch_size else config.DEFAULT_MAX_BATCH_SIZE
   lowercase__	: List[Any]     		=   num_proc
   lowercase__	: Dict     		=   to_sql_kwargs


 def   lowercase__  (       self):


   '''simple docstring'''




   lowercase__	: Dict     		=   self.to_sql_kwargs.pop("""sql"""       ,	SCREAMING_SNAKE_CASE_)
   lowercase__	: Union[str, Any]     		=   self.to_sql_kwargs.pop("""con"""       ,	SCREAMING_SNAKE_CASE_)
   lowercase__	: List[Any]     		=   self.to_sql_kwargs.pop("""index"""       ,	SCREAMING_SNAKE_CASE_)

   lowercase__	: List[Any]     		=   self._write(index=SCREAMING_SNAKE_CASE_       ,	**self.to_sql_kwargs)
   return written


 def   lowercase__  (       self       ,	SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__		,     lowercase__		,     lowercase__	: Optional[int]     		=   args
   lowercase__	: List[Any]     		=   {**to_sql_kwargs, """if_exists""": """append"""} if offset > 0 else to_sql_kwargs
   lowercase__	: Tuple     		=   query_table(
       table=self.dataset.data       ,	key=slice(SCREAMING_SNAKE_CASE_       ,	offset + self.batch_size)       ,	indices=self.dataset._indices       ,	)
   lowercase__	: Dict     		=   batch.to_pandas()
   lowercase__	: Dict     		=   df.to_sql(self.name       ,	self.con       ,	index=SCREAMING_SNAKE_CASE_       ,	**SCREAMING_SNAKE_CASE_)
   return num_rows or len(SCREAMING_SNAKE_CASE_)



 def   lowercase__  (       self       ,	SCREAMING_SNAKE_CASE_       ,	**SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   lowercase__	: Optional[int]     		=   0

   if self.num_proc is None or self.num_proc == 1:
     for offset in logging.tqdm(
         range(0       ,	len(self.dataset)       ,	self.batch_size)       ,	unit="""ba"""       ,	disable=not logging.is_progress_bar_enabled()       ,	desc="""Creating SQL from Arrow format"""       ,	):
       written += self._batch_sql((offset, index, to_sql_kwargs))
   else:
     lowercase__		,     lowercase__	: List[str]     		=   len(self.dataset), self.batch_size
     with multiprocessing.Pool(self.num_proc) as pool:
       for num_rows in logging.tqdm(
           pool.imap(
               self._batch_sql       ,	[(offset, index, to_sql_kwargs) for offset in range(0       ,	SCREAMING_SNAKE_CASE_       ,	SCREAMING_SNAKE_CASE_)]       ,	)       ,	total=(num_rows // batch_size) + 1 if num_rows % batch_size else num_rows // batch_size       ,	unit="""ba"""       ,	disable=not logging.is_progress_bar_enabled()       ,	desc="""Creating SQL from Arrow format"""       ,	):
         written += num_rows

   return written











'''simple docstring'''



lowerCAmelCase_  :							List[Any]             =    [0, 2, 4, 6, 8]
lowerCAmelCase_  :							str             =    [1, 3, 5, 7, 9]
def        UpperCAmelCase (    A	:					int       ,		A	:					int       ,		A	:					list[int]       ,		A	:					int					):
							if remaining_length == 0:
														if digits[0] == 0 or digits[-1] == 0:
																					return 0

														for i in range(length // 2 - 1       ,		-1       ,		-1					):
																					remainder += digits[i] + digits[length - i - 1]

																					if remainder % 2 == 0:
																												return 0

																					remainder //= 10

														return 1

							if remaining_length == 1:
														if remainder % 2 == 0:
																					return 0

														SCREAMING_SNAKE_CASE       :   List[Any]         =      0
														for digit in range(10					):
																					SCREAMING_SNAKE_CASE       :   Optional[Any]         =      digit
																					result += reversible_numbers(
																					    0       ,		(remainder + 2 * digit) // 10       ,		A       ,		A					)
														return result

							SCREAMING_SNAKE_CASE       :   List[str]         =      0
							for digita in range(10					):
														SCREAMING_SNAKE_CASE       :   int         =      digita

														if (remainder + digita) % 2 == 0:
																					SCREAMING_SNAKE_CASE       :   str         =      ODD_DIGITS
														else:
																					SCREAMING_SNAKE_CASE       :   List[str]         =      EVEN_DIGITS

														for digita in other_parity_digits:
																					SCREAMING_SNAKE_CASE       :   Union[str, Any]         =      digita
																					result += reversible_numbers(
																					    remaining_length - 2       ,		(remainder + digita + digita) // 10       ,		A       ,		A       ,		)
							return result
def        UpperCAmelCase (    A	:					int = 9					):
							SCREAMING_SNAKE_CASE       :   Union[str, Any]         =      0
							for length in range(1       ,		max_power + 1					):
														result += reversible_numbers(A       ,		0       ,		[0] * length       ,		A					)
							return result


if __name__ == "__main__":
							print(f'{solution() = }')




